All names: SDSS J015414.08+020124.0, WDJ015413.89+020124.14, J0154+0201, WD 0151+01, USNO-B1.0 0920-00020190, TIC 293565926, Gaia DR3 2511623211717232640, G 159-12, LSPM J0154+0201, NLTT 6381, Gaia EDR3 2511623211717232640, WD 0151+017, WD0151+017, GALEX J015414.0+020124, PHL 1224, G 71-41, SDSS J015414.07+020124.0, G 73-4, 2MASS J01541390+0201242, G71-41, Gaia DR2 2511623211717232640, EGGR 311
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Koester et al. 2001 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 54 14.24 (0.03) | 01 54 14.23 (0.05) | 01 54 13.90 | 01 54 14.24 | 01 54 13.89 (0.03) | 01 54 14.23 | 01 54 12.79 | |||||||
| Declination | 02 01 23.98 (0.02) | 02 01 23.98 (0.04) | 02 01 24.00 | 02 01 23.98 | 02 01 24.14 (0.02) | 02 01 23.98 | 02 01 24.96 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA3.9 | DA4 | |||||||
| Effective temperature | [K] | 12469.0 (68) | 12270.0 | 12860.0 (212) | 12440.0 (25) | 12214.0 (30) | 12498.0 (109) | |||||||
| log(g) | [cgs] | 7.96 (0.005) | 7.95 | 7.98 (0.05) | 7.84 (0.008) | 7.78 (0.02) | 7.97 (0.006) | |||||||
| Mass | [M☉] | 0.586 (0.004) | 0.578 | 0.59 (0.03) | 0.49 | 0.592 (0.005) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.3295 | ||||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(C/H) | ||||||||||||||
| log(N/H) | ||||||||||||||
| log(O/H) | ||||||||||||||
| log(Na/H) | ||||||||||||||
| log(Mg/H) | ||||||||||||||
| log(Al/H) | ||||||||||||||
| log(Si/H) | ||||||||||||||
| log(P/H) | ||||||||||||||
| log(S/H) | ||||||||||||||
| log(Sc/H) | ||||||||||||||
| log(Ti/H) | ||||||||||||||
| log(Cr/H) | ||||||||||||||
| log(Mn/H) | ||||||||||||||
| log(Fe/H) | ||||||||||||||
| log(Ni/H) | ||||||||||||||
| Parallax | [mas] | 20.98 (0.03) | 20.87 (0.07) | 20.98 | 20.98 (0.03) | 20.87 (0.07) | ||||||||
| Distance | [pc] | 47.66 (0.08) | 47.90 (0.1) | 50.00 | 47.66 | 47.66 (0.08) | 47.90 (0.1) | |||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 331.4570358 (0.04) | 331.2237998 (0.1) | 331.457 (0.04) | 331.2237998 | |||||||||
| Proper motion (declination) | [mas/yr] | -10.02350642 (0.03) | -10.09076927 (0.09) | -10.024 (0.03) | -10.09076927 | |||||||||
| Variability | NOV | |||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 15.16 | |||||||||||||
| V magnitude | 15.00 | 15.00 | ||||||||||||
| R magnitude | 14.40 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 15.13 (0.04) | |||||||||||||
| H magnitude | 15.07 (0.1) | |||||||||||||
| K magnitude | 15.36 (0.2) | |||||||||||||
| u magnitude | 15.30 (0.005) | 15.30 (0.005) | ||||||||||||
| g magnitude | 14.89 (0.004) | 14.89 (0.004) | ||||||||||||
| r magnitude | 15.09 (0.004) | 15.09 (0.004) | ||||||||||||
| i magnitude | 15.30 (0.005) | 15.30 (0.005) | ||||||||||||
| z magnitude | 15.55 (0.006) | 15.55 (0.006) | ||||||||||||
| G magnitude | 14.98 (0.001) | 15.00 | 14.98 | 14.98 (0.003) | 15.00 | |||||||||
| BP magnitude | 14.98 (0.001) | 14.98 | 14.98 | |||||||||||
| RP magnitude | 15.02 (0.002) | 15.03 | 15.03 | |||||||||||
| Pan g magnitude | 14.90 (0.002) | |||||||||||||
| Pan r magnitude | 15.11 (0.003) | |||||||||||||
| Pan i magnitude | 15.32 (0.002) | |||||||||||||
| Pan z magnitude | 15.55 (0.003) | |||||||||||||
| Pan y magnitude | 15.69 (0.004) | |||||||||||||
| E(B-V) | 0.001 | |||||||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.